The RCAI MPO 2000 Active with Ambulatory Attachment features a blue breathable foam liner that wicks moisture away from the skin while maintaining skin integrity.The MPO 2000 Active floats the heel to eliminate pressure or friction on the heel, enhancing blood circulation vital to healing. The dynamic flex action supplies continuous counterforce to the plantar surface of the foot assisting in the correction of foot drop, foot and ankle contracture and deformity. The adjustable toe post relieves pressure on the toes and can be positioned to the side in the treatment of malleous snd lateral ulcers. The rotator bar, positioned to the side, controls hip and leg rotation providing functional alignment. The low profile removable ambulatory attachment converts the MPO 2000 Active from a bed positioning device. The ambulatory attachment is attached with a simple 'twist and lock' motion - no tools needed. An extender kit is available at an additional charge for patients with increased calf and foot circumference or edema. Sizing information: Max Calf Circumference - X-Large: 19" Foot length - X-Large: 10" to 11"